Power Supply

The MSI MAG A1000GL PCIE5 is an excellent mid-range PSU that balances cost with modern features like the 12VHPWR connector and ATX 3.1 compliance, offering impressive efficiency and reliable power regulation. Despite a few component compromises, it performs exceptionally well for its price, making it a great choice for gamers or creators looking to power power-hungry GPUs.

The Seasonic Vertex GX-1200 is a high-quality, reliable PSU that handles demanding systems with ease. It’s fully modular, efficient, and operates quietly with a hybrid fan mode, making it a great choice for anyone looking to power a modern setup.

Now that we have tested a bunch of ATX 3.0 and 3.1 PSUs, we can finally compare and round up the best choices for the RTX 4080.

We have finalized our testing and put together a list of the top three power supplies for the RTX 4090.

Buying an RX 7900 XTX? Be sure to get the right PSU for it by following this guide on the Best PSU For RX 7900 XTX.

The Silverstone Hela 850R Platinum is a high-performance, efficient power supply unit that stands out with its adherence to the latest ATX 3.1 specifications. It features the new 12V-2x6 GPU connector, improving safety and reliability. In our tests, the PSU delivered impressive results, showcasing excellent voltage regulation, high efficiency (up to 94.23%), and exceptional voltage ripple performance.

The Corsair HX1000i PSU, part of the top-tier HXi series, offers a robust 1000W output and complies with ATX 3.0/3.1 specs. Its design features high-quality Japanese components and a quiet fluid dynamic bearing fan.

The Corsair RM850e is an affordable ATX 3.0 PSU perfect for budget-conscious gamers, delivering solid performance and reliability. While it uses non-Japanese capacitors and a rifle bearing fan, it still offers impressive efficiency and acceptable voltage regulation.

The Enermax PlatiGemin 1200W Platinum takes the crown with its robust build, top-tier efficiency, and exceptional performance. It has a fully modular design, premium mesh-sleeved cables, superior voltage regulation, and excellent thermal management.

The Enermax D.F. 12 Revolution 850W PSU offers compact design, advanced ATX 3.1 features, and impressive performance. It's perfect for compact builds, featuring a 115mm dual ball bearing fan with Dust Free rotation, high-quality Japanese capacitors, and a fully modular design.

The Corsair HX1200i offers excellent voltage regulation and ripple performance, making it ideal for overclockers and high-end system builders. While its efficiency is slightly below expectations for a Platinum-rated PSU, its superior voltage ripple control and solid thermal performance make it a strong contender in the market.

The XPG Fusion 1600W Titanium PSU, designed with Delta Electronics, offers top performance and innovation. Featuring GaN MODFETs, it supports multi-GPU setups with dual 12VHPWR connectors and full software control.